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Svet_ta [14]
3 years ago
6

What is the difference? X/x2+3x+2 - 1/(X+ 2)(x+1)

Mathematics
1 answer:
Anarel [89]3 years ago
5 0

Answer:

D

Step-by-step explanation:

\[\frac{x}{x^{2} +3x+2} -\frac{1}{(x+2)(x+1)} =\frac{x}{x^2+3x+2} -\frac{1}{x(x+1)+2(x+1)} =\frac{x}{x^{2}+3x+2 } -\frac{1}{x^{2} +2x+x+2} =\frac{x}{x^{2} +3x+2} -\frac{1}{x^{2} +3x+2} =\frac{x-1}{x^{2} +3x+2} \]

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Amanda can jog 18 miles in 5 hours.<br> At this rate, how many miles can Amanda jog in 4 hours?
vekshin1

Answer:

14.4 miles

Step-by-step explanation:

5 goes into 18 3.6 times and 3.6 x 4 = 14.4, she can run 3.6 miles per hour

3 0
3 years ago
Read 2 more answers
Find the value of x.
Shalnov [3]

Answer:

-11

Step-by-step explanation:

I think you do 5x-24=8x+9

5 0
2 years ago
Help I really need help
AURORKA [14]

Answer:

A

Step-by-step explanation:

14×x^4×y^6/7×x^8×y^2

2×x^-4×y^4

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8 0
3 years ago
Last week f40 fifth graders went on a field trip to the science museum
Xelga [282]
8 out of 40 fifth graders went to see the lab animal presentation. This can be written as this expression:

\frac{8}{40}

Find the greatest common factor of 8 and 40:

Factors of 8: 1, 2, 4, 8
Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40

Therefore the greatest common factor is 8. Divide both the numerator and the denominator by 8.

\frac{8}{40} = \frac{8/8}{40/8} = \frac{1}{5}

Therefore the fractional part is \frac{1}{5}.

To get the percentage, you need to get the denominator to a value of 100.

To do so, you need to find the value to multiply both the numerator and denominator by to achieve this.

To get this value, you can divide 100 by the denominator of the fractional value.

100 / 5 = 20

Then you can multiply both the numerator and denominator by 20:

\frac{1}{5} = \frac{1 * 20}{5 * 20} = \frac{20}{100}

From here, the numerator will state the percentage:

20\%

Hope this helps :)


8 0
3 years ago
Read 2 more answers
24 POINTS!!!!!!!! <br> 6 (4x - 5) <br> and <br> 22x - 33 - 2x
Iteru [2.4K]
6(4x-5)= 24x-30
24x-22x-2x= 2x
-30-33=63 

answer is 2x-63



5 0
3 years ago
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